The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 24, 2024
Filed:
Feb. 06, 2023
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Seong-Woo Woo, Gyeonggi-do, KR;
Jung Ju Suh, Seoul, KR;
Charles L. Bruzzone, Woodbury, MN (US);
Jennifer J. Sokol, Mahtomedi, MN (US);
Sergei A. Manuilov, Bayport, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/36 (2006.01); H01F 1/153 (2006.01); H01F 10/13 (2006.01);
U.S. Cl.
CPC ...
H01F 27/36 (2013.01); H01F 10/131 (2013.01); H01F 27/361 (2020.08); H01F 1/15333 (2013.01); Y10T 428/32 (2015.01);
Abstract
A magnetic film includes iron and copper distributed between opposing first and second major surfaces of the magnetic film. The copper has a first atomic concentration C1 at a first depth d1 from the first major surface and a peak second atomic concentration C2 at a second depth d2 from the first major surface, d2>d1, C2/C1≥5.